<template>
  <view class="cart-container" v-if="cart.length !==0">
    <!--收货地址组件  -->
    <my-address></my-address>
    <view class="cart-title">
      <!-- 左侧图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 右侧的文本 -->
      <text class="cart-title-text">购物车</text>
    </view>
    <!--循环渲染购物车的商品信息  -->
    <uni-swipe-action>
      <block v-for="(goods,i) in cart" :key="i">
      <uni-swipe-action-item :right-options="options"  @click="swipeItemClickHandler()" >
        <my-goods :goods="goods" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler" ></my-goods>
      </uni-swipe-action-item>
       </block>
    </uni-swipe-action>
    <!-- 使用自定义的结算组件 -->
    <my-settle></my-settle>
  </view>

<!-- 空白购物车的区域 -->
<view class="empty-cart" v-else>
  <image src="/static/cart_empty@2x.png" class="empty-img"></image>
  <text class="tip-text">空空如也~</text>
</view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  import {mapState,mapMutations} from 'vuex'
  export default {
   mixins: [badgeMix],
   computed: {
    ...mapState('m_cart',['cart'])
   },
    data() {
      return {
       options: [{
          text: '删除',
          style:{
            backgroundColor: '#C00000'
          }
        }]
      };
    },
    methods:{
      ...mapMutations('m_cart',['updateGoodsState','updateGoodsCount','removeGoodsById']),
      radioChangeHandler(e){
        console.log(e)
        this.updateGoodsState(e)
      },
      numberChangeHandler(e){
       console.log(e)
       this.updateGoodsCount(e)
      },
      swipeItemClickHandler(goods){
        this.removeGoodsById(goods.goods_id)
      }
    }
  }
</script>

<style lang="scss">
  .cart-container {
      padding-bottom: 50px;
    }
.cart-title{
  height: 40px;
  display: flex;
  align-items: center;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  .cart-title-text{
    font-size: 14px;
    margin-left: 10px;
  }
  .empty-cart{
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 150px;
    .empty-img{
      width: 90px;
      height: 90px;
    }
    .tip-text{
      font-size: 12px;
      color:gray;
      margin-top: 15pxS;
    }
  }
}
</style>
